Using the Command-Line Interface 115Understanding Error MessagesIf you enter a command and the system is unable to execute it, an errormessage appears. Table 5-2 describes the most common CLI error messages.If you attempt to execute a command and receive an error message, use thequestion mark (?) to help you determine the possible keywords or parametersthat are available.Recalling Commands from the History BufferEvery time a command is entered in the CLI, it is recorded in an internallymanaged Command History buffer. By default, the history buffer is enabledand stores the last 10 commands entered. These commands can be recalled,reviewed, modified, and reissued. This buffer is not preserved after switchresets.Table 5-2. CLI Error MessagesMessage Text Description% Invalid inputdetected at '^'marker.Indicates that you entered an incorrect orunavailable command. The carat (^) showswhere the invalid text is detected. This messagealso appears if any of the parameters or values arenot recognized.Command not found /Incomplete command.Use ? to listcommands.Indicates that you did not enter the requiredkeywords or values.Ambiguous command Indicates that you did not enter enough letters touniquely identify the command.
